Synthesis and studies of poly(aminoborane), (H/sub 2/NBH/sub 2/)/sub x/
Journal Article
·
· Inorg. Chem.; (United States)
A report that vapor-phase pyrolysis of ammonia-borane (NH/sub 3/.BH/sub 3/) produces poly(aminoborane) has led to further examination of the solid pyrolysis reaction. An apparatus was designed with a pyrolysis tube attached to a commercial sublimer, which permitted collection of the desired product without contamination. A few torricelli of nitrogen pressure are maintained in the system to help initiate the decomposition, after which volatile materials are pumped over the cold finger held near -196/sup 0/C. The white solid condensate was warmed slowly to ambient temperature before isolation. From results of ir spectroscopy and x-ray powder diffraction, the new product is distinct from both the known and amorphous crystalline forms of poly(aminoborane). 2 tables.
- OSTI ID:
- 5860267
- Journal Information:
- Inorg. Chem.; (United States), Journal Name: Inorg. Chem.; (United States) Vol. 22:11; ISSN INOCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360401 -- Polymers & Plastics-- Preparation & Fabrication-- (-1987)
360404 -- Materials-- Polymers & Plastics-- Physical Properties-- (-1987)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
AMMONIA
BORANES
BORON COMPOUNDS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
COHERENT SCATTERING
COOLING
COVER GAS
DECOMPOSITION
DIFFRACTION
ELEMENTS
FLUIDS
GASES
HIGH TEMPERATURE
HYDRIDES
HYDROGEN COMPOUNDS
INERT ATMOSPHERE
INFRARED SPECTRA
INORGANIC POLYMERS
LOW TEMPERATURE
MEDIUM TEMPERATURE
NITROGEN
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NONMETALS
POLYMERS
PYROLYSIS
SCATTERING
SPECTRA
STRUCTURAL CHEMICAL ANALYSIS
SUBLIMATION COOLING
TEMPERATURE DEPENDENCE
THERMOCHEMICAL PROCESSES
X-RAY DIFFRACTION
YIELDS
360401 -- Polymers & Plastics-- Preparation & Fabrication-- (-1987)
360404 -- Materials-- Polymers & Plastics-- Physical Properties-- (-1987)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
AMMONIA
BORANES
BORON COMPOUNDS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
COHERENT SCATTERING
COOLING
COVER GAS
DECOMPOSITION
DIFFRACTION
ELEMENTS
FLUIDS
GASES
HIGH TEMPERATURE
HYDRIDES
HYDROGEN COMPOUNDS
INERT ATMOSPHERE
INFRARED SPECTRA
INORGANIC POLYMERS
LOW TEMPERATURE
MEDIUM TEMPERATURE
NITROGEN
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NONMETALS
POLYMERS
PYROLYSIS
SCATTERING
SPECTRA
STRUCTURAL CHEMICAL ANALYSIS
SUBLIMATION COOLING
TEMPERATURE DEPENDENCE
THERMOCHEMICAL PROCESSES
X-RAY DIFFRACTION
YIELDS